Tun da masana'antu na batir lithium-ion a cikin 1991, graphite ya kasance babban abu mara kyau na batura.Lithium titanate, a matsayin sabon nau'in kayan lantarki mara kyau don baturan lithium-ion, ya sami kulawa a ƙarshen 1990s saboda kyakkyawan aikinsa.Misali, kayan titanate na lithium na iya kiyaye babban matakin kwanciyar hankali a cikin tsarin kristal yayin shigarwa da cire ions lithium, tare da ƙaramin canje-canje a cikin tsattsauran ra'ayi (canjin girma).
Wannan kayan lantarki na “sifili” yana ƙara haɓaka rayuwar batirin lithium titanate sosai.Lithium titanate yana da tashar watsawar lithium ion mai girma uku na musamman tare da tsarin kashin baya, wanda ke da fa'ida kamar kyawawan halaye masu ƙarfi da kyakkyawan aiki mai girma da ƙarancin zafin jiki.Idan aka kwatanta da carbon korau electrode kayan, lithium titanate yana da mafi girma m (1.55V mafi girma fiye da karfe lithium), wanda sakamakon a cikin m-ruwa Layer yawanci girma a saman da electrolyte da carbon korau electrode ba forming a saman lithium titanate. .
Mafi mahimmanci, yana da wahala ga lithium dendrites su samar akan saman lithium titanate a cikin kewayon wutar lantarki na amfani da baturi na yau da kullun.Wannan ya fi kawar da yiwuwar gajerun hanyoyin da'irori da lithium dendrites suka yi a cikin baturi.Don haka amincin batirin lithium-ion tare da lithium titanate kamar yadda wutar lantarki mara kyau a halin yanzu ita ce mafi girma a cikin kowane nau'in batirin lithium-ion da marubucin ya gani.
Yawancin masana'antun masana'antu sun ji cewa rayuwar batirin lithium na lithium titanate mai maye gurbin graphite kamar yadda kayan lantarki mara kyau na iya kaiwa dubun dubbai, sama da na yau da kullun na batir lithium-ion na gargajiya, kuma zai mutu bayan ƴan zagayawa dubu kaɗan kawai. .
Saboda gaskiyar cewa mafi yawan ƙwararrun ƙwararrun batir lithium-ion ba su taɓa fara kera samfuran batirin lithium titanate ba, ko kuma sun yi su sau da yawa kuma sun ƙare cikin gaggawa lokacin fuskantar matsaloli.Don haka ba za su iya natsuwa da tunani da kyau ba don me ya sa batura lithium-ion na al'ada suka yi daidai ba zai iya cika tsawon rayuwa na cajin 1000-2000 da zagayawa?
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Shin shine ainihin dalilin rayuwar gajeriyar zagayowar batirin lithium-ion na al'ada saboda ɗayan mahimman abubuwan haɗinsa - nauyin abin kunya na graphite korau electrode?Da zarar graphite korau electrode aka maye gurbinsu da wani spinel irin lithium titanate korau electrode, m m iri lithium-ion tsarin sinadaran baturi za a iya hawan keke dubun dubbai ko ma da daruruwan dubban sau.
Bugu da kari, lokacin da mutane da yawa ke magana game da ƙarancin ƙarfin ƙarfin batirin lithium titanate, suna yin watsi da wata hanya mai sauƙi amma mai mahimmanci: rayuwa mai tsayi mai tsayi, aminci mai ban mamaki, kyawawan halaye masu ƙarfi, da kyakkyawar tattalin arziƙin batir lithium titanate.Waɗannan halayen za su zama muhimmin ginshiƙi ga masana'antar ajiyar makamashi mai girma na lithium-ion masu tasowa.
A cikin shekaru goma da suka wuce, bincike kan fasahar batirin lithium titanate yana bunƙasa a cikin gida da waje.Ana iya raba sarkar masana'anta zuwa shirye-shiryen kayan titanate na lithium, samar da batir lithium titanate, hadewar tsarin batirin lithium titanate, da aikace-aikacen su a cikin motocin lantarki da kasuwannin ajiyar makamashi.
1. Lithium titanate abu
Bangaren kasa da kasa, akwai manyan kamfanoni a cikin bincike da masana'antu na kayan lithium titanate, kamar Oti Nanotechnology daga Amurka, Ishihara Industries daga Japan, da Johnson&Johnson daga United Kingdom.Daga cikin su, kayan lithium titanate da aka samar da titanium na Amurka yana da kyakkyawan aiki dangane da ƙimar kuɗi, aminci, tsawon rayuwar sabis, da yanayin zafi da zafi.Duk da haka, saboda tsayin daka da madaidaicin hanyoyin samar da kayayyaki, farashin samarwa yana da yawa, yana da wahala a kasuwanci da haɓakawa.
Lokacin aikawa: Maris 14-2024